Professor Andrew Roberts talks about Lord Northcliff and his new book 'The Chief: the Life of Lord Northcliffe'. Lord Northcliffe, together with Sir Evelyn Wrench , was responsible for founding the Royal Over-Seas League.

Professor Roberts is an English Historian and journalist who has written or edited nineteen books, which have been translated into twenty-three languages. He is a visiting professor at the Department of War Studies, King's College London, a Roger and Martha Mertz visiting Research Fellow at the Hoover Institution at Stanford University and a Lehman Institute Distinguished Lecturer at the New York Historical Society. Professor Roberts has been a trustee of the National Portrait Gallery since 2013.